Seeing in the forest or in the park high, powerful, long-term trees, - birches, oaks, pines, - the person admires their beauty and seldom thinks that these magnificent plants need protection. Meanwhile the woods playing a huge role in planet life in general and the person in particular have a great number of enemies. Protecting trees, we care about to ourselves.
Value of trees, the woods in life of mankind and certain person it is difficult to overestimate. The main role of the woods – ecological, or sredoobrazuyushchy. Forests affect climate, provide availability of clean air and clear water. Figuratively trees are called "planet lungs": they absorb carbon dioxide from air, turning it into oxygen. During the day the adult tree allocates 28 cubic meters of oxygen and detains on the leaves or needles of 1 kg of dust. Absorbing the chemicals which are contained in air capable to destroy an ozone layer, trees interfere with development of global warming. The wood interferes with exhaustion of farmlands, provides the vacation spot and improvements of people, shelters animals and birds. A supporting part of the wood – resource, or economic. Wood – material for construction, for production of furniture, for production of paper. The third role of the wood – social. It is a part of the cultural and historical environment participating in formation of folk customs. For a considerable part of the population the wood – a source of work and material welfare. Considering the undoubted importance of forests in life of society, it is necessary to protect trees from their numerous enemies. Three are distinguished from a set of factors, harmful for the wood: • Insects. They can damage roots of trees, eat their leaves and needles, to gnaw through bark, to do harm to fruits and seeds.· fire. Terrible forest fires can quickly ruin thousands of hectares of the wood. The fire can arise from lightning stroke, from self-ignition of damp congestions of forest garbage, from impact of sunshine on a dry moss or peat through glass splinters. But a third of wildfires, according to statistical data, is caused by negligent treatment of people with fire in the wood.· of people. It can protect the wood, and can be his most dangerous enemy. Barbaric cutting of trees, often commercially, does to the wood irreparable harm. Trees slowly grow. On the place of cutting there are thrown branches, boughs which gradually rot and become the place of reproduction of fungi, harmful to trees, and insects. Collecting fruits or flowers of trees, people quite often ruthlessly break their branches. Especially city parks and gardens suffer from this wood, located close to the city and also. You spare trees, protect them, to them be attentive – and they will thank you for care.